128400316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{17903}}^1$

素因数の和:18081

約数の個数: 24

約数和(自身を含む): 246645504

約数和(自身を除く): 118245188

約数列:

[1, 2, 4, 11, 22, 44, 163, 326, 652, 1793, 3586, 7172, 17903, 35806, 71612, 196933, 393866, 787732, 2918189, 5836378, 11672756, 32100079, 64200158, 128400316]

約数ペア:

[(1, 128400316), (2, 64200158), (4, 32100079), (11, 11672756), (22, 5836378), (44, 2918189), (163, 787732), (326, 393866), (652, 196933), (1793, 71612), (3586, 35806), (7172, 17903)]